{#
 # macros.html - macros that are used in other templates
 #
 # Copyright (C) 2013 Arthur de Jong
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 # The files produced as output from the software do not automatically fall
 # under the copyright of the software, unless explicitly stated otherwise.
 #}

{# output a space separated list of CSS classes for the provided link #}
{% macro link_css_classes(link) -%}
  {% if link.is_internal %}internal{% else %}external{% endif %}
{%- endmacro %}

{# output an overview of the link information #}
{% macro link_info(link, separator='
') -%}
  url: {{ link.url }}{{ separator|safe }}
  {%- if link.status %}{{ link.status }}{{ separator|safe }}{% endif -%}
  {%- if link.title %}title: {{ link.title|trim }}{{ separator|safe }}{% endif -%}
  {%- if link.author %}author: {{ link.author|trim }}{{ separator|safe }}{% endif -%}
  {%- if link.is_internal %}internal link{% else %}external link{% endif -%}
  {%- if link.yanked %}, not checked ({{ link.yanked }}){% endif -%}{{ separator|safe }}
  {%- if link.redirectdepth -%}
    {%- if link.children.count() > 0 -%}
      redirect: {{ link.children.first().url }}
    {%- else -%}
      redirect (not followed)
    {%- endif -%}{{ separator|safe }}
  {%- endif -%}
  {%- set count = link.count_parents -%}
  {%- if count == 1 -%}
    linked from 1 page{{ separator|safe }}
  {%- elif count > 1 -%}
    linked from {{ count }} pages{{ separator|safe }}
  {%- endif -%}
  {%- if link.mtime %}last modified: {{ link.mtime.strftime('%F %T') }}{{ separator|safe }}{% endif -%}
  {%- if link.size %}size: {{ link.size|filesizeformat(binary=True) }}{{ separator|safe }}{% endif -%}
  {%- if link.mimetype %}mime-type: {{ link.mimetype }}{{ separator|safe }}{% endif -%}
  {%- if link.encoding %}encoding: {{ link.encoding }}{{ separator|safe }}{% endif -%}
  {%- for problem in link.linkproblems -%}
    problem: {{ problem.message }}{{ separator|safe }}
  {%- endfor -%}
{%- endmacro %}

{# render a link embedded in an <a> with a title and information #}
{% macro make_link(link, title=None) -%}
  <a href="{{ link.url }}" class="{{ link_css_classes(link) }}"
  {%- if config.REPORT_LINKS_IN_NEW_WINDOW %} target="_blank"{%- endif %}
 title="{{ link_info(link) }}">{{ title or link.title or link.url }}</a>
{%- endmacro %}

{# return a <div> containing a list of parent links #}
{% macro link_parents(link) %}
  {% set count = link.count_parents %}
  {% if count %}
    {% set parents = link.parents.order_by(Link.title, Link.url)[:config.PARENT_LISTLEN] %}
    <div class="parents">
      referenced from:
      <ul>
        {% for parent in parents %}
          <li>{{ make_link(parent) }}</li>
        {% endfor %}
        {% set more = count - parents|length %}
        {% if more %}
          <li>{{ more }} more...</li>
        {% endif %}
      </ul>
    </div>
  {% endif %}
{% endmacro %}